http://www.angryflower.com/aposter.html

(minor English issues, most of which are via /dev/humancontroller)

code/tools/lcc/doc/4.html

@@ -523,7 +523,7 @@ signed integer. Conversions that widen unsigned integers zero-extend; those that
 signed integers sign-extend.</p>
 
 <p>The front end composes conversions between types <em>T</em><sub>1</sub> and <em>T</em><sub>2</sub>
-by widening <em>T</em><sub>1</sub> to it's &quot;supertype&quot;, if necessary, converting
+by widening <em>T</em><sub>1</sub> to its &quot;supertype&quot;, if necessary, converting
 that result to <em>T</em><sub>2</sub>'s supertype, then narrowing the result to <em>T</em><sub>2</sub>,
 if necessary. The following table lists the supertypes; omitted entries are their own
 supertypes.</p>